Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 262 insertions, 0 deletions

diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
new file mode 100644
index 0000000000..7730fc2ab4
--- /dev/null
+++ b/tools/perf/tests/cpumap.c
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tests.h"
+#include <stdio.h>
+#include "cpumap.h"
+#include "event.h"
+#include "util/synthetic-events.h"
+#include <string.h>
+#include <linux/bitops.h>
+#include <internal/cpumap.h>
+#include "debug.h"
+
+struct machine;
+
+static int process_event_mask(struct perf_tool *tool __maybe_unused,
+			 union perf_event *event,
+			 struct perf_sample *sample __maybe_unused,
+			 struct machine *machine __maybe_unused)
+{
+	struct perf_record_cpu_map *map_event = &event->cpu_map;
+	struct perf_record_cpu_map_data *data;
+	struct perf_cpu_map *map;
+	unsigned int long_size;
+
+	data = &map_event->data;
+
+	TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
+
+	long_size = data->mask32_data.long_size;
+
+	TEST_ASSERT_VAL("wrong long_size", long_size == 4 || long_size == 8);
+
+	TEST_ASSERT_VAL("wrong nr",   data->mask32_data.nr == 1);
+
+	TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(0, data));
+	TEST_ASSERT_VAL("wrong cpu", !perf_record_cpu_map_data__test_bit(1, data));
+	for (int i = 2; i <= 20; i++)
+		TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(i, data));
+
+	map = cpu_map__new_data(data);
+	TEST_ASSERT_VAL("wrong nr",  perf_cpu_map__nr(map) == 20);
+
+	TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 0);
+	for (int i = 2; i <= 20; i++)
+		TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, i - 1).cpu == i);
+
+	perf_cpu_map__put(map);
+	return 0;
+}
+
+static int process_event_cpus(struct perf_tool *tool __maybe_unused,
+			 union perf_event *event,
+			 struct perf_sample *sample __maybe_unused,
+			 struct machine *machine __maybe_unused)
+{
+	struct perf_record_cpu_map *map_event = &event->cpu_map;
+	struct perf_record_cpu_map_data *data;
+	struct perf_cpu_map *map;
+
+	data = &map_event->data;
+
+	TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
+
+	TEST_ASSERT_VAL("wrong nr",   data->cpus_data.nr == 2);
+	TEST_ASSERT_VAL("wrong cpu",  data->cpus_data.cpu[0] == 1);
+	TEST_ASSERT_VAL("wrong cpu",  data->cpus_data.cpu[1] == 256);
+
+	map = cpu_map__new_data(data);
+	TEST_ASSERT_VAL("wrong nr",  perf_cpu_map__nr(map) == 2);
+	TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1);
+	TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 1).cpu == 256);
+	TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1);
+	perf_cpu_map__put(map);
+	return 0;
+}
+
+static int process_event_range_cpus(struct perf_tool *tool __maybe_unused,
+				union perf_event *event,
+				struct perf_sample *sample __maybe_unused,
+				struct machine *machine __maybe_unused)
+{
+	struct perf_record_cpu_map *map_event = &event->cpu_map;
+	struct perf_record_cpu_map_data *data;
+	struct perf_cpu_map *map;
+
+	data = &map_event->data;
+
+	TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__RANGE_CPUS);
+
+	TEST_ASSERT_VAL("wrong any_cpu",   data->range_cpu_data.any_cpu == 0);
+	TEST_ASSERT_VAL("wrong start_cpu", data->range_cpu_data.start_cpu == 1);
+	TEST_ASSERT_VAL("wrong end_cpu",   data->range_cpu_data.end_cpu == 256);
+
+	map = cpu_map__new_data(data);
+	TEST_ASSERT_VAL("wrong nr",  perf_cpu_map__nr(map) == 256);
+	TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1);
+	TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__max(map).cpu == 256);
+	TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1);
+	perf_cpu_map__put(map);
+	return 0;
+}
+
+
+static int test__cpu_map_synthesize(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+	struct perf_cpu_map *cpus;
+
+	/* This one is better stored in a mask. */
+	cpus = perf_cpu_map__new("0,2-20");
+
+	TEST_ASSERT_VAL("failed to synthesize map",
+		!perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL));
+
+	perf_cpu_map__put(cpus);
+
+	/* This one is better stored in cpu values. */
+	cpus = perf_cpu_map__new("1,256");
+
+	TEST_ASSERT_VAL("failed to synthesize map",
+		!perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL));
+
+	perf_cpu_map__put(cpus);
+
+	/* This one is better stored as a range. */
+	cpus = perf_cpu_map__new("1-256");
+
+	TEST_ASSERT_VAL("failed to synthesize map",
+		!perf_event__synthesize_cpu_map(NULL, cpus, process_event_range_cpus, NULL));
+
+	perf_cpu_map__put(cpus);
+	return 0;
+}
+
+static int cpu_map_print(const char *str)
+{
+	struct perf_cpu_map *map = perf_cpu_map__new(str);
+	char buf[100];
+
+	if (!map)
+		return -1;
+
+	cpu_map__snprint(map, buf, sizeof(buf));
+	perf_cpu_map__put(map);
+
+	return !strcmp(buf, str);
+}
+
+static int test__cpu_map_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
+	TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40"));
+	return 0;
+}
+
+static int test__cpu_map_merge(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+	struct perf_cpu_map *a = perf_cpu_map__new("4,2,1");
+	struct perf_cpu_map *b = perf_cpu_map__new("4,5,7");
+	struct perf_cpu_map *c = perf_cpu_map__merge(a, b);
+	char buf[100];
+
+	TEST_ASSERT_VAL("failed to merge map: bad nr", perf_cpu_map__nr(c) == 5);
+	cpu_map__snprint(c, buf, sizeof(buf));
+	TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7"));
+	perf_cpu_map__put(b);
+	perf_cpu_map__put(c);
+	return 0;
+}
+
+static int __test__cpu_map_intersect(const char *lhs, const char *rhs, int nr, const char *expected)
+{
+	struct perf_cpu_map *a = perf_cpu_map__new(lhs);
+	struct perf_cpu_map *b = perf_cpu_map__new(rhs);
+	struct perf_cpu_map *c = perf_cpu_map__intersect(a, b);
+	char buf[100];
+
+	TEST_ASSERT_EQUAL("failed to intersect map: bad nr", perf_cpu_map__nr(c), nr);
+	cpu_map__snprint(c, buf, sizeof(buf));
+	TEST_ASSERT_VAL("failed to intersect map: bad result", !strcmp(buf, expected));
+	perf_cpu_map__put(a);
+	perf_cpu_map__put(b);
+	perf_cpu_map__put(c);
+	return 0;
+}
+
+static int test__cpu_map_intersect(struct test_suite *test __maybe_unused,
+				   int subtest __maybe_unused)
+{
+	int ret;
+
+	ret = __test__cpu_map_intersect("4,2,1", "4,5,7", 1, "4");
+	if (ret)
+		return ret;
+	ret = __test__cpu_map_intersect("1-8", "6-9", 3, "6-8");
+	if (ret)
+		return ret;
+	ret = __test__cpu_map_intersect("1-8,12-20", "6-9,15", 4, "6-8,15");
+	if (ret)
+		return ret;
+	ret = __test__cpu_map_intersect("4,2,1", "1", 1, "1");
+	if (ret)
+		return ret;
+	ret = __test__cpu_map_intersect("1", "4,2,1", 1, "1");
+	if (ret)
+		return ret;
+	ret = __test__cpu_map_intersect("1", "1", 1, "1");
+	return ret;
+}
+
+static int test__cpu_map_equal(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+	struct perf_cpu_map *any = perf_cpu_map__dummy_new();
+	struct perf_cpu_map *one = perf_cpu_map__new("1");
+	struct perf_cpu_map *two = perf_cpu_map__new("2");
+	struct perf_cpu_map *empty = perf_cpu_map__intersect(one, two);
+	struct perf_cpu_map *pair = perf_cpu_map__new("1-2");
+	struct perf_cpu_map *tmp;
+	struct perf_cpu_map *maps[] = {empty, any, one, two, pair};
+
+	for (size_t i = 0; i < ARRAY_SIZE(maps); i++) {
+		/* Maps equal themself. */
+		TEST_ASSERT_VAL("equal", perf_cpu_map__equal(maps[i], maps[i]));
+		for (size_t j = 0; j < ARRAY_SIZE(maps); j++) {
+			/* Maps dont't equal each other. */
+			if (i == j)
+				continue;
+			TEST_ASSERT_VAL("not equal", !perf_cpu_map__equal(maps[i], maps[j]));
+		}
+	}
+
+	/* Maps equal made maps. */
+	tmp = perf_cpu_map__merge(perf_cpu_map__get(one), two);
+	TEST_ASSERT_VAL("pair", perf_cpu_map__equal(pair, tmp));
+	perf_cpu_map__put(tmp);
+
+	tmp = perf_cpu_map__intersect(pair, one);
+	TEST_ASSERT_VAL("one", perf_cpu_map__equal(one, tmp));
+	perf_cpu_map__put(tmp);
+
+	for (size_t i = 0; i < ARRAY_SIZE(maps); i++)
+		perf_cpu_map__put(maps[i]);
+
+	return TEST_OK;
+}
+
+static struct test_case tests__cpu_map[] = {
+	TEST_CASE("Synthesize cpu map", cpu_map_synthesize),
+	TEST_CASE("Print cpu map", cpu_map_print),
+	TEST_CASE("Merge cpu map", cpu_map_merge),
+	TEST_CASE("Intersect cpu map", cpu_map_intersect),
+	TEST_CASE("Equal cpu map", cpu_map_equal),
+	{	.name = NULL, }
+};
+
+struct test_suite suite__cpu_map = {
+	.desc = "CPU map",
+	.test_cases = tests__cpu_map,
+};